Guangzhou Normplus Technology Co., Limited

We are manufacturer specializing in pH test product, pH test paper, pH test strips, etc, in this industry for more than 15 years. 

Our DF brand has became the most popular brand of pH test paper and pH test strips in Chinese market.  And it is more and more popular in North American and West European market these years because of our high quality .

We have many models of pH test paper and pH test strips, different range, different accuracy, such as pH 0-14, pH 4.5-9.0, pH 3.0-7.0 , accuracy of pH value 1.0, pH value 0.5, and 0.25 , and high accuracy colour chart for better effect .

We do the quality standard like Germany manufacturers, They are our role model. We do product standard near to them recent years. And luckly that we have become top 3 in China in pH test product industry.

We have built our professional oversea sales and service team, to help creating more value for our customers all over the world .

Our factory sell our own DF brand pH test product , and our DF brand is welcomed all over the world these years, especially in USA market and European market. 

We also do customized brand pH test product for customers, also OEM and ODM service for some orders. And these ways may help customers to do their distributing business better in some markets .

Welcome to check our product details for more information, and welcomed to contact us for more business information . We think we can have nice Win-win business in this industry !    More ...